V2EX node consistency

Node Consistency

释义 Definition

节点一致性:在分布式系统中,指不同节点(服务器/副本)对同一份数据或状态在某个时间点上保持一致或最终趋于一致的性质与程度。常见讨论包括强一致性(读到最新写入)与最终一致性(允许短暂不一致,随后收敛)。该短语在技术语境中也可能泛指“节点间状态一致/配置一致”。

发音 Pronunciation (IPA)

/nod knsstnsi/

例句 Examples

A system with strong node consistency ensures every read returns the latest write.
强节点一致性的系统能保证每次读取都返回最新写入的数据。

During the outage, the team accepted weaker node consistency to keep the service available, then repaired the replicas afterward.
在故障期间,团队接受较弱的节点一致性以保持服务可用,之后再修复各副本的数据。

词源 Etymology

node 源自拉丁语 nodus(“结、节点”),后来在网络与图论中引申为“网络节点/结点”。
consistency 来自拉丁语 consistentia(“一致、连贯”),由 consistere(“站在一起、相符合”)发展而来。在计算机科学中进一步专门化为“数据/状态在多个副本或多次操作之间保持一致”。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Martin Kleppmann, Designing Data-Intensive Applications(讨论一致性模型、复制与一致性权衡,常以“节点/副本一致性”语境出现)
  • Andrew S. Tanenbaum & Maarten van Steen, Distributed Systems(分布式一致性、复制一致性等章节)
  • Leslie Lamport, “Paxos Made Simple”(围绕一致性/共识问题,涉及节点间保持一致的机制)
  • Giuseppe DeCandia et al., “Dynamo: Amazon’s Highly Available Key-value Store”(最终一致性与副本/节点一致性设计)
  • James C. Corbett et al., “Spanner: Google’s Globally-Distributed Database”(强一致性、全球复制与一致性语境)
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